11551797832 has 16 divisors (see below), whose sum is σ = 21756752640. Its totient is φ = 5749997136.

The previous prime is 11551797793. The next prime is 11551797839. The reversal of 11551797832 is 23879715511.

It is not an unprimeable number, because it can be changed into a prime (11551797839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3235828 + ... + 3239395.

It is an arithmetic number, because the mean of its divisors is an integer number (1359797040).

Almost surely, 2^11551797832 is an apocalyptic number.

It is an amenable number.

11551797832 is a deficient number, since it is larger than the sum of its proper divisors (10204954808).

11551797832 is a wasteful number, since it uses less digits than its factorization.

11551797832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6475452 (or 6475448 counting only the distinct ones).

The product of its digits is 529200, while the sum is 49.

The spelling of 11551797832 in words is "eleven billion, five hundred fifty-one million, seven hundred ninety-seven thousand, eight hundred thirty-two".